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Astronomy

Dec. 17, 2017 Rise Solar Noon Set
Actual Time 7:53 AM EST 12:31 PM EST 5:09 PM EST
Civil Twilight 7:22 AM EST   5:40 PM EST
Nautical Twilight 6:48 AM EST   6:14 PM EST
Astronomical Twilight 6:14 AM EST   6:48 PM EST
Altitude -0.8° 25.9° -0.8°
Azimuth 120.7° 180.0° 239.3°
Hour Angle of the Sun 69.5° 69.5° -69.5°
Mean Anomaly of the Sun 343.10° 343.29° 343.48°
Obliquity 23.44° 23.44° 23.44°
Right Ascension of the Sun -94.61° -94.39° -94.18°
Sun Declination -23.37° -23.37° -23.38°
Moon 7:04 AM EST   5:06 PM EST
Length of Visible Light 10h 17m
Length of Day
9h 15m
Waning Crescent, 0% of the Moon is Illuminated
Dec 17
Waning Crescent
Dec 18
New
Dec 26
First Quarter
Jan 1
Full
Jan 8
Last Quarter